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examples/V7/asyncFieldValidation.tsx
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Beier (Bill)
🧱 prevent runtime error `startsWith` called with `undefined` (#9223)
15 окт 2022, 02:58
Не верифицирован
15 окт 2022, 02:58
55335fc
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import React from 'react'; import ReactDOM from 'react-dom'; import { useForm } from 'react-hook-form'; const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms)); export default function App() { const { register, handleSubmit, formState: { errors }, } = useForm(); const onSubmit = (data) => { alert(JSON.stringify(data)); }; console.log(errors); return ( <div className="App"> <form onSubmit={handleSubmit(onSubmit)}> <div> <label htmlFor="username">User Name</label> <input id="username" placeholder="Bill" {...register('username', { validate: async (value) => { await sleep(3000); return value === 'bill'; }, })} /> </div> <div> <label htmlFor="lastName">Last Name</label> <input id="lastName" placeholder="Luo" {...register('lastName')} /> </div> <div> <label htmlFor="email">Email</label> <input id="email" placeholder="bluebill1049@hotmail.com" type="text" {...register('email')} /> </div> <div style={{ color: 'red' }}> {Object.keys(errors).length > 0 && 'There are errors, check your console.'} </div> <button type="submit">Submit</button> </form> </div> ); }